Double lumen catheter



FIG. 1 is a side elevational view of a double lumen catheter showing my new design;

FIG. 2 is a rear elevation view of the catheter illustrated in FIG. 1;

FIG. 3 is an end view of the solid line portion of the catheter illustrated in FIG. 1 as seen along line 3--3 thereof;

FIG. 4 is a sectional view of the catheter illustrated in FIG. 1 as taken along line 4--4 thereof;

FIG. 5 is an end view partly in section of the catheter illustrated in FIG. 1 as seen along line 5--5 thereof; and

FIG. 6 is a sectional view of the bottom portion of the catheter illustrated in FIG. 2 as taken along line 6--6 thereof. 

The ornamental design for a double lumen catheter, as shown and described. 